package com.gxuwz.medical.tool;

import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.Path;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;

/**
 * 
 * @ClassName: QRCodeGenerator
 * @Description: 二维码生成
 * @author 陈震洺
 * @date 2019年6月12日 下午8:12:15
 *
 */
public class QRCodeGenerator {

//	private static final String QR_CODE_IMAGE_PATH = "WebRoot/images/MyQRCode.png";

	public void generateQRCodeImage(String text, int width, int height, String filePath)
			throws WriterException, IOException {
		QRCodeWriter qrCodeWriter = new QRCodeWriter();

		BitMatrix bitMatrix = qrCodeWriter.encode(text, BarcodeFormat.QR_CODE, width, height);

		Path path = FileSystems.getDefault().getPath(filePath);

		MatrixToImageWriter.writeToPath(bitMatrix, "PNG", path);

	}
//
//	public static void main(String[] args) {
//		try {
//			generateQRCodeImage("https://blog.csdn.net/gisboygogogo/article/details/86036656", 350, 350,
//					QR_CODE_IMAGE_PATH);
//		} catch (WriterException e) {
//			System.out.println("Could not generate QR Code, WriterException :: " + e.getMessage());
//		} catch (IOException e) {
//			System.out.println("Could not generate QR Code, IOException :: " + e.getMessage());
//		}
//
//	}

}